Narwhal: The Unicorn of the Sea and the Mystery of Its Tusk
Narwhal tusks contain 10 million nerve endings and can sense water chemistry. Expert guide to the Arctic unicorn whale and why its tusk is not a horn.
All articles tagged with "Narwhals"
Narwhal tusks contain 10 million nerve endings and can sense water chemistry. Expert guide to the Arctic unicorn whale and why its tusk is not a horn.